| Official Name: | RoEllen, Tennessee |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Tennessee#USA |
| Pushpin Label: | RoEllen |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Tennessee |
| Subdivision Type2: | County |
| Subdivision Name2: | Dyer |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 299 |
| Coordinates: | 36.0236°N -89.2814°W |
| Area Code: | 731 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1299543 |
RoEllen (also Roellen) is an unincorporated community in Dyer County, Tennessee, United States.
RoEllen is the site of the first church erected in Dyer County in 1830. The wooden frame building, known as "Old Union" housed Baptist, Methodist, and Cumberland Presbyterian services. At an unknown later date, the Cumberland Presbyterians took over sole ownership of the building and property and erected a new building.[1]